From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5E7A836E497; Thu, 7 May 2026 23:33:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778196802; cv=pass; b=dS5U8uJltOqALFTi8JRYpfFYw7cBl693tIUHySjlelY4ZrQ5k8FeBKOX5W8rWgXt8j3ViXL96tUGMEuffKFLWP6+NrZeos0A1GBTlQcGmb2XzQu20zwj/wSByaitW8vkw8g5b6/3aEewpdwBjoy42+qEcO+iygoXIfjp0+77qV4= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778196802; c=relaxed/simple; bh=sq2B5J6Q8s2C6YbTn20oeUOAg0Lb4q68cApUEcd8JXg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nMubUJt9qEYDW2LsN2U4ndH1HaTGb6ppgoCHWAEDOhqLWfnCM0pVK1pwVfqRsYxsK5U0seQTzlTIo6vhrAx3xB/BzSYjI0sf3Wc4v/2wKq9CE/btIFJO+8S04ReFPk1hGPvVdRfKY2rZOyGzv2ceM2q9CBHUzXzKpawe0y+9UAk= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=deborah.brouwer@collabora.com header.b=GkgUSVib; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=deborah.brouwer@collabora.com header.b="GkgUSVib" ARC-Seal: i=1; a=rsa-sha256; t=1778196771; cv=none; d=zohomail.com; s=zohoarc; b=FyCnaUAzfM4a/oh4N8AOggjrbsF2bUQSLb/CxAoRu1S+QAH6J1JJ9GYc5nfVcNtLNtAKGIlSnMD5iJmSG6b3WFRbSBhDsugClsggapEt54+wnwTVtoBObsMaPUmBhut4PIJcjIJyMWNkAKxHh0T7bOFvrfTRo7wPIdc9rBvMSzA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1778196771; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=Yx8JvLQF2DtX5i8OpM+EnULSototWLG5JNcoDKWudLI=; b=OMOgAO7cVfPItTjB9xhEpHkzR1paHTtYyAa6QZ0pZhJJJvfqK7X1Y91TQNDs6XTU7NFMFiYfTqWOl71kc0wTN+TKMXfiKvHyI0zyyMIapkPrrVggwArPcDqFVIQXjQd+Pdp2c5RHFiglEmRGYvwbPO4pQufs4cxsbO2xLxkxwkM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=deborah.brouwer@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1778196771; s=zohomail; d=collabora.com; i=deborah.brouwer@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=Yx8JvLQF2DtX5i8OpM+EnULSototWLG5JNcoDKWudLI=; b=GkgUSVibMD711G/3qJz5u1jKCj67ghRtxDc6/G//cT4Lc1dWr+FJAvfZVpdN/xcC Y2TvMM1Gh56cEilNzDTW7jxq4twK7cFZJH1LPOmZf4Lm+CSjCS+AdTUbQylo934WhfI FHopmkuSWD/kpHo7Z/6Tn08v5ScdKYJPcnMxFLNQ= Received: by mx.zohomail.com with SMTPS id 1778196770005837.945580734471; Thu, 7 May 2026 16:32:50 -0700 (PDT) From: Deborah Brouwer Date: Thu, 07 May 2026 16:32:44 -0700 Subject: [PATCH 6/7] drm/tyr: store MMIO physical base address Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260507-tyr-mmap-v1-6-eec048a23c25@collabora.com> References: <20260507-tyr-mmap-v1-0-eec048a23c25@collabora.com> In-Reply-To: <20260507-tyr-mmap-v1-0-eec048a23c25@collabora.com> To: Alice Ryhl , Lorenzo Stoakes , "Liam R. Howlett" , Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Trevor Gross , Danilo Krummrich , David Airlie , Simona Vetter , Daniel Almeida Cc: linux-mm@kvack.org, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, boris.brezillon@collabora.com, beata.michalska@arm.com, lyude@redhat.com, acourbot@nvidia.com, work@onurozkan.dev, alvin.sun@linux.dev, Laura Nao , Deborah Brouwer X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1922; i=deborah.brouwer@collabora.com; h=from:subject:message-id; bh=sq2B5J6Q8s2C6YbTn20oeUOAg0Lb4q68cApUEcd8JXg=; b=owGbwMvMwCVWuULzOU9c7WvG02pJDJl/FSUvsz9WfGfwS5Jjx1Zmkz0/XLLjDbkc+TduP+ZuX m7UsulWRykLgxgXg6yYIstZe6Me8ar3Rrrz/zfDzGFlAhnCwMUpABNZ5MXIMC93xowtChndQWsN e+dY/FieVXkzatv+598ueVtq3/u4ZCrD/zAe/ySGIMPGyVksp+w6WLfffZu8LfwFz7amKXtLy3c vZQMA X-Developer-Key: i=deborah.brouwer@collabora.com; a=openpgp; fpr=CD3F328C177AEF322D9FFF8379A829E70C5E7DEB Store the physical base address of the GPU MMIO region in TyrDrmDeviceData. This will be used by the Panthor userspace-MMIO mmap path to derive the physical PFNs inserted into userspace VMAs for USER register page mappings. Co-developed-by: Daniel Almeida Signed-off-by: Daniel Almeida Signed-off-by: Deborah Brouwer --- drivers/gpu/drm/tyr/driver.rs | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tyr/driver.rs b/drivers/gpu/drm/tyr/driver.rs index e20a5978eed6..2ba0a22a225b 100644 --- a/drivers/gpu/drm/tyr/driver.rs +++ b/drivers/gpu/drm/tyr/driver.rs @@ -19,7 +19,8 @@ drm::ioctl, io::{ poll, - Io, // + Io, + PhysAddr, // }, new_mutex, of, @@ -60,6 +61,9 @@ pub(crate) struct TyrPlatformDriverData { pub(crate) struct TyrDrmDeviceData { pub(crate) pdev: ARef, + /// Physical base address of the MMIO region. + pub(crate) mmio_phys_addr: PhysAddr, + #[pin] clks: Mutex, @@ -119,6 +123,7 @@ fn probe( let mali_regulator = Regulator::::get(pdev.as_ref(), c"mali")?; let sram_regulator = Regulator::::get(pdev.as_ref(), c"sram")?; + let mmio_phys_addr = pdev.resource_by_index(0).ok_or(ENODEV)?.start(); let request = pdev.io_request_by_index(0).ok_or(ENODEV)?; let iomem = Arc::pin_init(request.iomap_sized::(), GFP_KERNEL)?; @@ -140,6 +145,7 @@ fn probe( let data = try_pin_init!(TyrDrmDeviceData { pdev: platform.clone(), + mmio_phys_addr, clks <- new_mutex!(Clocks { core: core_clk, stacks: stacks_clk, -- 2.53.0